Use Reading View to Show PowerPoint slides in a window
Change the Show type in the top left to Browsed by an individual (window). Click the OK button to save the change. This method allows the From Beginning and From Current Slide buttons on the Slide Show ribbon (and their keyboard shortcuts, F5 and Shift+F5) to work to start the slide show in the PowerPoint window.
COMMENTS
Change the Show type in the top left to Browsed by an individual (window). Click the OK button to save the change. This method allows the From Beginning and From Current Slide buttons on the Slide Show ribbon (and their keyboard shortcuts, F5 and Shift+F5) to work to start the slide show in the PowerPoint window.